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#include <config.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <glib.h>
#include <dbus/dbus.h>
#include <glib/gi18n.h>
#include "gvfswritechannel.h"
#include "gvfsjobopenforwrite.h"
#include "gdbusutils.h"
#include "gvfsdaemonutils.h"
G_DEFINE_TYPE (GVfsJobOpenForWrite, g_vfs_job_open_for_write, G_VFS_TYPE_JOB_DBUS);
static void run (GVfsJob *job);
static gboolean try (GVfsJob *job);
static void finished (GVfsJob *job);
static DBusMessage *create_reply (GVfsJob *job,
DBusConnection *connection,
DBusMessage *message);
static void
g_vfs_job_open_for_write_finalize (GObject *object)
{
GVfsJobOpenForWrite *job;
job = G_VFS_JOB_OPEN_FOR_WRITE (object);
/* TODO: manage backend_handle if not put in write channel */
if (job->write_channel)
g_object_unref (job->write_channel);
g_free (job->filename);
if (G_OBJECT_CLASS (g_vfs_job_open_for_write_parent_class)->finalize)
(*G_OBJECT_CLASS (g_vfs_job_open_for_write_parent_class)->finalize) (object);
}
static void
g_vfs_job_open_for_write_class_init (GVfsJobOpenForWriteClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GVfsJobClass *job_class = G_VFS_JOB_CLASS (klass);
GVfsJobDBusClass *job_dbus_class = G_VFS_JOB_DBUS_CLASS (klass);
gobject_class->finalize = g_vfs_job_open_for_write_finalize;
job_class->run = run;
job_class->try = try;
job_class->finished = finished;
job_dbus_class->create_reply = create_reply;
}
static void
g_vfs_job_open_for_write_init (GVfsJobOpenForWrite *job)
{
}
GVfsJob *
g_vfs_job_open_for_write_new (DBusConnection *connection,
DBusMessage *message,
GVfsBackend *backend)
{
GVfsJobOpenForWrite *job;
DBusMessageIter iter;
DBusMessage *reply;
DBusError derror;
char *path;
guint16 mode;
dbus_bool_t make_backup;
guint64 mtime;
path = NULL;
dbus_error_init (&derror);
dbus_message_iter_init (message, &iter);
if (!_g_dbus_message_iter_get_args (&iter, &derror,
G_DBUS_TYPE_CSTRING, &path,
DBUS_TYPE_UINT16, &mode,
DBUS_TYPE_UINT64, &mtime,
DBUS_TYPE_BOOLEAN, &make_backup,
0))
{
reply = dbus_message_new_error (message,
derror.name,
derror.message);
dbus_error_free (&derror);
dbus_connection_send (connection, reply, NULL);
g_free (path);
return NULL;
}
job = g_object_new (G_VFS_TYPE_JOB_OPEN_FOR_WRITE,
"message", message,
"connection", connection,
NULL);
job->filename = path;
job->mode = mode;
job->mtime = (time_t)mtime;
job->make_backup = make_backup;
job->backend = backend;
return G_VFS_JOB (job);
}
static void
run (GVfsJob *job)
{
GVfsJobOpenForWrite *op_job = G_VFS_JOB_OPEN_FOR_WRITE (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
if (op_job->mode == OPEN_FOR_WRITE_CREATE)
{
class->create (op_job->backend,
op_job,
op_job->filename);
}
else if (op_job->mode == OPEN_FOR_WRITE_APPEND)
{
class->append_to (op_job->backend,
op_job,
op_job->filename);
}
else if (op_job->mode == OPEN_FOR_WRITE_REPLACE)
{
class->replace (op_job->backend,
op_job,
op_job->filename,
op_job->mtime,
op_job->make_backup);
}
else
g_assert_not_reached (); /* Handled in try */
}
static gboolean
try (GVfsJob *job)
{
GVfsJobOpenForWrite *op_job = G_VFS_JOB_OPEN_FOR_WRITE (job);
GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
if (op_job->mode == OPEN_FOR_WRITE_CREATE)
{
if (class->try_create == NULL)
return FALSE;
return class->try_create (op_job->backend,
op_job,
op_job->filename);
}
else if (op_job->mode == OPEN_FOR_WRITE_APPEND)
{
if (class->try_append_to == NULL)
return FALSE;
return class->try_append_to (op_job->backend,
op_job,
op_job->filename);
}
else if (op_job->mode == OPEN_FOR_WRITE_REPLACE)
{
if (class->try_replace == NULL)
return FALSE;
return class->try_replace (op_job->backend,
op_job,
op_job->filename,
op_job->mtime,
op_job->make_backup);
}
else
{
GError *error = NULL;
g_set_error (&error, G_FILE_ERROR, G_FILE_ERROR_INVAL,
"Wrong open for write type");
g_vfs_job_failed_from_error (job, error);
g_error_free (error);
return TRUE;
}
}
void
g_vfs_job_open_for_write_set_handle (GVfsJobOpenForWrite *job,
GVfsBackendHandle handle)
{
job->backend_handle = handle;
}
void
g_vfs_job_open_for_write_set_can_seek (GVfsJobOpenForWrite *job,
gboolean can_seek)
{
job->can_seek = can_seek;
}
void
g_vfs_job_open_for_write_set_initial_offset (GVfsJobOpenForWrite *job,
goffset initial_offset)
{
job->initial_offset = initial_offset;
}
/* Might be called on an i/o thwrite */
static DBusMessage *
create_reply (GVfsJob *job,
DBusConnection *connection,
DBusMessage *message)
{
GVfsJobOpenForWrite *open_job = G_VFS_JOB_OPEN_FOR_WRITE (job);
GVfsWriteChannel *channel;
DBusMessage *reply;
GError *error;
int remote_fd;
int fd_id;
gboolean res;
dbus_bool_t can_seek;
guint64 initial_offset;
g_assert (open_job->backend_handle != NULL);
error = NULL;
channel = g_vfs_write_channel_new (open_job->backend);
remote_fd = g_vfs_channel_steal_remote_fd (G_VFS_CHANNEL (channel));
if (!dbus_connection_send_fd (connection,
remote_fd,
&fd_id, &error))
{
close (remote_fd);
reply = _dbus_message_new_error_from_gerror (message, error);
g_error_free (error);
g_object_unref (channel);
return reply;
}
close (remote_fd);
reply = dbus_message_new_method_return (message);
can_seek = open_job->can_seek;
initial_offset = open_job->initial_offset;
res = dbus_message_append_args (reply,
DBUS_TYPE_UINT32, &fd_id,
DBUS_TYPE_BOOLEAN, &can_seek,
DBUS_TYPE_UINT64, &initial_offset,
DBUS_TYPE_INVALID);
g_vfs_channel_set_backend_handle (G_VFS_CHANNEL (channel), open_job->backend_handle);
open_job->backend_handle = NULL;
open_job->write_channel = channel;
return reply;
}
static void
finished (GVfsJob *job)
{
GVfsJobOpenForWrite *open_job = G_VFS_JOB_OPEN_FOR_WRITE (job);
if (open_job->write_channel)
g_signal_emit_by_name (job, "new-source", open_job->write_channel);
}
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